From Woolly Mammoth Studios:
Why not have a portable sound effects maker at your side? Be ready with a sound effect for an impromptu performance, emphasis on a particular point or just because you like it. All effects can be played instantly or set for up to a 60 second delay.
There are over 50 sounds of nature at the ready with Sploink Nature. All self contained. No network access needed. The volume will match your current ring tone volume, so you don't have to worry about adjusting different settings.
Play sounds from a variety of categories: barnyard, cats, insects, marine, birds, plus more.
Some of the sounds included are: cow, rooster, sheep, owl, cuckoo, duck, rain, thunder, waves, lion, tiger, bear, cricket, whales, plus dozens more.